Diagnosis System
SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: DIAGNOSIS SYSTEM
1. DIAGNOSIS SYSTEM
(a) Indicator light
(1) When there is a problem with the air suspension system, "CHECK AIR SUSPENSION SYSTEM" is displayed on the multi-information display and the master warning light comes on.
(b) DTCs (Normal mode)
(1) DTCs are memorized in the suspension control ECU and read by using the Techstream. Refer to the DTC check procedure Reading and Clearing Diagnostic Trouble Codes.
(c) Test mode
(1) By switching from normal mode into test mode, you can inspect the height control switch and height control OFF switch circuits Test Mode Procedure.
2. CHECK INDICATOR LIGHT
(a) Turn the power switch on (IG).
(b) Check that the height control indicator light (N, HI, LO and Luggage mode) comes on for 2 seconds.
If the indicator check result is not normal, proceed to troubleshooting for the indicator light circuit Symptom Related Diagnostic Procedures.